US1662665A - Coupling for bead chains - Google Patents

Description

March 13, 1928'. 1,662,665

W. J. GAGNON COUPLING FOR BEAD CHAINS Filed June 25, 1927 WiLL/HM I G14 GA/0N Patented Mar. 13, 1928.

UNITED STATES 1,662,665 PATENT OFFICE.

WILLIAM J. GAGNON, OF BRIDGEPORT, CONNECTICUT, ASSIGNOR TO THE BEAD CHAIN MANUFACTURING COMPANY, OF BRIDGEPORT, CONNECTICUT, A CORPORATION OF CONNECTICUT.

COUPLING FOR BEAD CHAINS.

Application filed June 25, 1927. Serial No. 201,541.

My invention relates to couplings, and the object of my invention is to provide a simple and inexpensive coupling for use with a bead chain.

In the accompanying drawings Fig. 1, is a plan view of a coupling 1n which my invention is embodied in one form; and

Fig. 2 is a side elevation at right angles to Fig. 1 showing the coupling member in section.

My invention is intended particularly for use in connection with bead chains of the type comprising balls 3 flexibly interconnected by dumbbell links 4.

The coupling comprises a plate 5 struck from sheet metal, apertured at 6 to accommodate a jump ring or the like, and at 7 and 8 respectively to accommodate the two end balls at and b of a bead chain. Intermediate the apertures 7 and 8 the web of the'plate' is'ofiset as at 9 to afford a channel for the accommodation of the link 4 and 1nterconnecting the balls a and I) of the chain. A

second offset 10, faced in the opposite direcmember of the coupling, is then pressed into the aperture 7 in the plate. The link 4 is accommodated in the channel afforded by the offset- 9, the ball 6 in hole 8, while the link between the ball 7) and the chain is accommodated in channel 10. Both balls and their links thus lie substantially in the plane of the plate 5 and stresses exerted in this plane have no tendency to unseat the ball a from its anchorage in the hole 7 The coupling is very economical to manufacture, and its connection with the chain is readily effected and is secure.

I claim as my invention- 1. A coupling device for head chains comprising asheet metal plate apertured to accommodate a jump ring or the like, and'to accommodate a plurality of lineally adjacent chain balls, the aperture for the accommodation of the terminal ball of the chain corresponding substantially to the diameter of the ball, but receiving the latter with a drive fit.

2. A coupling device for bead chains comprising a sheet metal plate apertured to accommodate a jump ring or the like, and to accommodate a plurality of chain balls, the aperture for the accommodation of the ter' minal ball of the chain corresponding substantially to the diameter of the ball, but receiving the latter with a drive lit, the plate offset intermediate the chain ball apertures to accounnodate a link interconnecting the balls.

3. A coupling device for bead'chalns comprising a sheet metal plate apertured to accomn'iodatea jump ring or the like, and to accommodate a plurality of chain balls, the aperture for the accommodation of the terminal ball of the chain corresponding substantially to the diameter of the ball, but receiving the latter with a drive fit, the plate being marginally offset in communication with one of the chain ball apertures to acconnnodate a chain link.

4. A coupling for bead chains comprising a sheet metal plate having aligned balhreccivlng apertures, the web of the plate being offset in one direction between the ball-rcceiving apertures, and in the opposite direction between one of said apertures and the margin of the plate, to form channels for the zuzcommodation of chain links.

5. A coupling for bead chains comprising a sheet metal plate having aligned ball recalving apertures, the web of the plate being offset in one direction between the ball-receiving apertures, and in the opposite direction between one of said apertures and the WILLIAM J. GAGNON.

Images